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2 years ago

Simplify the following expression: (66)4

Mathematics

1 answer:

iren [92.7K]2 years ago

3 0

Step-by-step explanation:

Given

$( {6}^{6})^{4} \\ = {6}^{6 \times 4} \\ = {6}^{24} \\ = 4.7383813e18$

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Avery is learning how to type. She increases the number of words she can type in a minute by 15% every week. This week she can t

Aleonysh [2.5K]

This is exponential growth...

F=ar^t

F=25(1.15^t) so in six weeks...

F=25(1.15^6)

F≈57.82

F≈58 words per minute (to nearest whole word per minute)

4 0

2 years ago

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Hi pls help.you do not have to do all 3. just either one will be ok pls explain as well:) thank you

noname [10]

Answer:

${7a^{5}b^{5} c\\$

Step-by-step explanation:

$\frac{28a^{8}b^{6} c^{3} }{4a^{3}bc^{2} }$

→ First look at the first term of each expression and see if they can be simplified, and they can

$\frac{7a^{8}b^{6} c^{3} }{a^{3}bc^{2} }$

→ Now look at the a terms, since a larger one is at the top, you subtract

$\frac{7a^{5}b^{6} c^{3} }{bc^{2} }$

→ Now simplify the b and c terms

${7a^{5}b^{5} c$

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2 years ago

The Department of Transportation would like to test the hypothesis that the average age of cars on the road is less than 12 year

puteri [66]

Answer:

$z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29$

Step-by-step explanation:

information given

$\bar X=10.6$ represent the sample mean

$\sigma=4.1$ represent the population standard deviation

$n=45$ sample size

$\mu_o =12$ represent the value that we want to test

$\alpha=0.05$ represent the significance level for the hypothesis test.

z would represent the statistic

$p_v$ represent the p value for the test

Hypothesis to test

We want to test if the true mean is less than 12, the system of hypothesis would be:

Null hypothesis: $\mu \geq 10$

Alternative hypothesis: $\mu < 10$

The statistic is given by:

$z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}}$ (1)

Replacing the info given we got:

We can replace in formula (1) the info given like this:

$z=\frac{10.6-12}{\frac{4.1}{\sqrt{45}}}=-2.29$

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3 years ago

Simplify the expression.<br><br> 7(x - 1) - 2(x + 1) + 3( x - 4) =

lawyer [7]

7x-7-2x-2+3x-12=8x-21
I think

8 0

2 years ago

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Which equation is the inverse of y = x2 – 36?

Sholpan [36]

Its B.y=±√n+36

i hope that helps

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2 years ago

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